Question

Find the area of the stained glass window shown if the diameter of the semi-circle is 61 inches. Use 3.14 for , round your answer to the nearest square inch, and enter the number only.

Answer 1

1460 square inches

Explanation:

You want the area of a semicircle with diameter 61 inches.

Area

The area of a circle is given by ...

A = (π/4)d²

The area of a semicircle is half that, so is ...

A = (π/8)d²

A = (3.14/8)(61 in)² ≈ 1460 in²

The area of the semicircular window is about 1460 square inches.

<95141404393>